Touch panel and touch display panel

Abstract

A touch panel includes a substrate, a plurality of capacitive sensor units, an emitting signal line, N first receiving signal lines, and M second receiving signal lines. Each of the capacitive sensor units includes a vertical sensing capacitor and a horizontal sensing capacitor disposed adjacent to each other. The emitting signal line is connected to one terminal of each of the vertical sensing capacitors and one terminal of each of the horizontal sensing capacitors. The N first receiving signal lines, are respectively connected to another terminals of the vertical sensing capacitors of the capacitive sensor units in the N columns. The M second receiving signal lines are respectively connected to another terminals of the horizontal sensing capacitors of the capacitive sensor units in the M rows, the horizontal sensing capacitors in a same row corresponding to one second receiving signal line.

What is claimed is: 
     
       1. A touch panel comprising:
 a substrate; 
 a plurality of capacitive sensor units, the plurality of capacitive sensor units being disposed on the substrate and distributed in an array of M rows and N columns, each of the capacitive sensor units comprising a first sensing capacitor and a second sensing capacitor disposed adjacent to each other; wherein the capacitive sensor unit comprises an emitting electrode, the first receiving electrode, and a second receiving electrode, the emitting electrode comprises a first emitting metal segment and a second emitting metal segment connected to each other and having a predetermined angle, the first receiving electrode has a width identical to a width of the first emitting metal segment, the first receiving electrode is in parallel with and faces the first emitting metal segment to constitute the first sensing capacitor, the second receiving electrode is in parallel with and faces the second emitting metal segment to constitute the second sensing capacitor; 
 an emitting signal line, the emitting signal line being connected to one terminal of each of the first sensing capacitors and one terminal of each of the second sensing capacitors; 
 N first receiving signal lines, the N first receiving signal lines being respectively connected to another terminals of the first sensing capacitors of the capacitive sensor units in the N columns, the first sensing capacitors in a same column corresponding to one first receiving signal line; and 
 M second receiving signal lines, the M second receiving signal lines being respectively connected to another terminals of the second sensing capacitors of the capacitive sensor units in the M rows, the second sensing capacitors in a same row corresponding to one second receiving signal line; 
 wherein the touch panel further comprises a touch sensor chip, the touch sensor chip has N first receiving pins and M second receiving pins, the N first receiving pins are connected to the N first receiving signal lines correspondingly, the M second receiving pins are connected to the M second receiving signal lines correspondingly; 
 the first sensing capacitor comprises the first receiving electrode and the first emitting electrode, the first receiving electrode is connected to the first receiving signal line correspondingly, the first emitting electrode is connected to the emitting signal line. 
 
     
     
       2. The touch panel as claimed in  claim 1 , wherein second receiving electrode is connected to the second receiving signal line correspondingly, the second emitting electrode is connected to the emitting signal line. 
     
     
       3. The touch panel as claimed in  claim 1 , wherein the first receiving signal line monitors capacitance changes of the first sensing capacitors of a corresponding column, the second receiving signal line monitors capacitance changes of the second sensing capacitors of a corresponding row, and a capacitance variation of each of the second sensing capacitors and the first sensing capacitors is calculated and obtained based on an inversion reconstruction algorithm. 
     
     
       4. The touch panel as claimed in  claim 1 , wherein capacitance values of the plurality of first sensing capacitors are equal, capacitance values of the plurality of second sensing capacitors are equal. 
     
     
       5. The touch panel as claimed in  claim 1 , wherein the first emitting metal segment and the second emitting metal segment are vertically connected. 
     
     
       6. The touch panel as claimed in  claim 1 , wherein the first emitting metal segment and the second emitting metal segment are connected at an angle of 45 degrees. 
     
     
       7. A touch panel comprising:
 a substrate; 
 a plurality of capacitive sensor units, the plurality of capacitive sensor units being disposed on the substrate and distributed in an array of M rows and N columns, each of the capacitive sensor units comprising a first sensing capacitor and a second sensing capacitor disposed adjacent to each other, wherein the capacitive sensor unit comprises an emitting electrode, the first receiving electrode, and a second receiving electrode, the emitting electrode comprises a first emitting metal segment and a second emitting metal segment connected to each other and having a predetermined angle, the first receiving electrode has a width identical to a width of the first emitting metal segment, the first receiving electrode is in parallel with and faces the first emitting metal segment to constitute the first sensing capacitor, the second receiving electrode is in parallel with and faces the second emitting metal segment to constitute the second sensing capacitor; 
 an emitting signal line, the emitting signal line being connected to one terminal of each of the first sensing capacitors and one terminal of each of the horizontal second sensing capacitors; 
 N first receiving signal lines, the N first receiving signal lines being respectively connected to another terminals of the first sensing capacitors of the capacitive sensor units in the N columns, the first sensing capacitors in a same column corresponding to one first receiving signal line; and 
 M second receiving signal lines, the M second receiving signal lines being respectively connected to another terminals of the second sensing capacitors of the capacitive sensor units in the M rows, the second sensing capacitors in a same row corresponding to one second receiving signal line. 
 
     
     
       8. The touch panel as claimed in  claim 7 , wherein the touch panel further comprises a touch sensor chip, the touch sensor chip has N first receiving pins and M second receiving pins, the N first receiving pins are connected to the N first receiving signal lines correspondingly, the M second receiving pins are connected to the M second receiving signal lines correspondingly. 
     
     
       9. The touch panel as claimed in  claim 7 , wherein the first receiving electrode is connected to the first receiving signal line correspondingly, the first emitting electrode is connected to the emitting signal line. 
     
     
       10. The touch panel as claimed in  claim 7 , wherein the second receiving electrode is connected to the second receiving signal line correspondingly, the second emitting electrode is connected to the emitting signal line. 
     
     
       11. The touch panel as claimed in  claim 7 , wherein the first receiving signal line monitors capacitance changes of the first sensing capacitors of a corresponding column, the second receiving signal line monitors capacitance changes of the second sensing capacitors of a corresponding row, and a capacitance variation of each of the second sensing capacitors and the first sensing capacitors is calculated and obtained based on an inversion reconstruction algorithm. 
     
     
       12. The touch panel as claimed in  claim 7 , wherein capacitance values of the plurality of first sensing capacitors are equal, capacitance values of the plurality of second sensing capacitors are equal. 
     
     
       13. The touch panel as claimed in  claim 7 , wherein the first emitting metal segment and the second emitting metal segment are vertically connected. 
     
     
       14. The touch panel as claimed in  claim 7 , wherein the first emitting metal segment and the second emitting metal segment are connected at an angle of 45 degrees. 
     
     
       15. A touch display panel comprising:
 a display panel; and 
 a touch panel disposed on the display panel, the touch panel comprising:
 a substrate; 
 a plurality of capacitive sensor units, the plurality of capacitive sensor units being disposed on the substrate and distributed in an array of M rows and N columns, each of the capacitive sensor units comprising a first sensing capacitor and a second sensing capacitor disposed adjacent to each other, wherein the capacitive sensor unit comprises an emitting electrode, the first receiving electrode, and a second receiving electrode, the emitting electrode comprises a first emitting metal segment and a second emitting metal segment connected to each other and having a predetermined angle the first receiving electrode has a width identical to a width of the first emitting metal segment the first receiving electrode is in parallel with and faces the first emitting metal segment to constitute the first sensing capacitor, the second receiving electrode is in parallel with and faces the second emitting metal segment to constitute the second sensing capacitor; 
 an emitting signal line, the emitting signal line being connected to one terminal of each of the first sensing capacitors and one terminal of each of the second sensing capacitors; 
 N first receiving signal lines, the N first receiving signal lines being respectively connected to another terminals of the first sensing capacitors of the capacitive sensor units in the N columns, the first, sensing capacitors in a same column corresponding to one first receiving signal line; and 
 M second receiving signal lines; the M second receiving signal lines being respectively connected to another terminals of the second, sensing capacitors of the capacitive sensor units in the M rows, the second sensing capacitors in a same row corresponding to one second receiving signal line. 
 
 
     
     
       16. The touch display panel as claimed in  claim 15 , wherein the touch panel further comprises a touch sensor chip, the touch sensor chip has N first receiving pins and M second receiving pins, the N first receiving pins are connected to the N first receiving signal lines correspondingly, the M second receiving pins are connected to the M second receiving signal lines correspondingly. 
     
     
       17. The touch display panel as claimed in  claim 15 , wherein the first receiving electrode is connected to the first receiving signal line correspondingly, the first emitting electrode is connected to the emitting signal line. 
     
     
       18. The touch display panel as claimed in  claim 15 , wherein the second receiving electrode is connected to the second receiving signal line correspondingly, the second emitting electrode is connected to the emitting signal line.